Citazione Stile APA (7a Edizione)

Hoover, E. M. 1. (1948). The location of economic activity. McGraw-Hill Book Co.

Citazione stile Chigago Style (17a edizione)

Hoover, Edgar Malone 1907. The Location of Economic Activity. New York: McGraw-Hill Book Co, 1948.

Citatione MLA (9a ed.)

Hoover, Edgar Malone 1907. The Location of Economic Activity. McGraw-Hill Book Co, 1948.